chromium/third_party/libaom/source/libaom/av1/common/seg_common.h

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

#ifndef AOM_AV1_COMMON_SEG_COMMON_H_
#define AOM_AV1_COMMON_SEG_COMMON_H_

#include "aom_dsp/prob.h"

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_SEGMENTS …
#define SEG_TREE_PROBS …

#define SEG_TEMPORAL_PRED_CTXS …
#define SPATIAL_PREDICTION_PROBS …

enum { … } UENUM1BYTE(…) …;

struct segmentation { … };

struct segmentation_probs { … };

static inline int segfeature_active(const struct segmentation *seg,
                                    uint8_t segment_id,
                                    SEG_LVL_FEATURES feature_id) { … }

static inline void segfeatures_copy(struct segmentation *dst,
                                    const struct segmentation *src) { … }

void av1_clearall_segfeatures(struct segmentation *seg);

void av1_enable_segfeature(struct segmentation *seg, int segment_id,
                           SEG_LVL_FEATURES feature_id);

void av1_calculate_segdata(struct segmentation *seg);

int av1_seg_feature_data_max(SEG_LVL_FEATURES feature_id);

int av1_is_segfeature_signed(SEG_LVL_FEATURES feature_id);

void av1_set_segdata(struct segmentation *seg, int segment_id,
                     SEG_LVL_FEATURES feature_id, int seg_data);

static inline int get_segdata(const struct segmentation *seg, int segment_id,
                              SEG_LVL_FEATURES feature_id) { … }

static inline void set_segment_id(uint8_t *segment_ids, int mi_offset,
                                  int x_mis, int y_mis, int mi_stride,
                                  uint8_t segment_id) { … }

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AOM_AV1_COMMON_SEG_COMMON_H_